Clamp



FIG. 1 is a front and left side perspective view of a clamp showing my new design;

FIG. 2 is a front and right side perspective view thereof;

FIG. 3 is a front elevational view thereof on a reduced scale;

FIG. 4 is a right side elevational view thereof, with the screw separated and bracketed to show indeterminate length;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a rear elevational view thereof. 

The ornamental design for a clamp, as shown and described. 